Open Source Software – Key Points

Source Code

  • Human-readable instructions for software

Open Source Software (OSS)

  • Source code is distributed and accessible for users to study, modify, and share.

  • Contrasts with proprietary (closed) software.

Licensing Rules

  • Modified source code must be shared.

  • Previous contributors must be credited.

  • Original license/restrictions are maintained upon redistribution.

Advantages of OSS

  • Free or low cost\text{Free or low cost}

  • Customizable to specific needs

  • Enhanced transparency and security through community audits

  • Faster innovation and bug-fixing due to code sharing

Disadvantages of OSS

  • Interface may be less polished.

  • Requires specialist knowledge for modification/maintenance.

  • Support is largely community-based; no dedicated vendor liability.

  • Security relies on community vigilance.

Quick Comparison: Lego vs Toy Car Analogy

  • Lego →\to flexible (OSS)

  • Toy Car →\to fixed (Proprietary software)

Application Example (School System)

  • Schools can customize software (e.g., attendance modules).

  • Improvements must be released, and authors credited.

  • Potential cost savings.